/* Design Tokens & Theme Variables */
:root {
    --primary-color: #008093;       /* Primary Ocean Teal */
    --primary-hover: #006778;       /* Darker Ocean Teal */
    --secondary-color: #be123c;     /* Crimson Red accent */
    --accent-color: #142c48;        /* Midnight Navy */
    --neutral-dark: #142c48;        /* Midnight Navy */
    --neutral-light: #f4f6f8;       /* Silver/Light Slate */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(0, 128, 147, 0.08);
}

/* Base Styles & Typography */
body {
    font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
    background-color: #f1f5f9;
    color: var(--neutral-dark);
    scroll-behavior: smooth;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Modern Glassmorphic Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-panel-dark {
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Card Hover Animations */
.hover-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.hover-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Accent Gradients */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    transition: all 0.3s ease;
}
.gradient-btn:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pulse-soft {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.animate-pulse-soft {
    animation: pulse-soft 2s infinite ease-in-out;
}

/* Skeleton Loading Helpers */
.skeleton {
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: loading-skeleton 1.5s infinite;
}

@keyframes loading-skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Navigation Link Underline Animation */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}
.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Vertical Marquee Animation */
@keyframes marquee-vertical {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}
.animate-marquee-vertical {
    animation: marquee-vertical 15s linear infinite;
}
.animate-marquee-vertical:hover {
    animation-play-state: paused;
}

/* Horizontal Marquee Animation */
@keyframes marquee-horizontal {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.animate-marquee-horizontal {
    animation: marquee-horizontal 20s linear infinite;
}
.animate-marquee-horizontal:hover {
    animation-play-state: paused;
}

/* ============================================
   DARK MODE OVERRIDES
   Activated via .dark class on <html>
   ============================================ */

/* Root dark theme variables */
.dark {
    --glass-bg: rgba(12, 17, 27, 0.8);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.35);
    color-scheme: dark;
}

/* Body & page backgrounds */
.dark body,
html.dark body {
    background-color: #0c111b !important;
    color: #d1d5db !important;
}

/* White cards, panels, modals → elevated dark surfaces */
.dark .bg-white,
.dark [class*="bg-white"] {
    background-color: #151c2c !important;
}

.dark .bg-slate-50,
.dark [class*="bg-slate-50"] {
    background-color: #0e1525 !important;
}

.dark .bg-slate-100,
.dark [class*="bg-slate-100"] {
    background-color: #1a2236 !important;
}

/* Text overrides — softer whites, better readability */
.dark .text-slate-900,
.dark .text-slate-800 {
    color: #e5e7eb !important;
}

.dark .text-slate-700 {
    color: #b8bfca !important;
}

.dark .text-slate-600 {
    color: #8b95a5 !important;
}

.dark .text-slate-500 {
    color: #6b7688 !important;
}

.dark .text-slate-400 {
    color: #5a6475 !important;
}

/* Border overrides — subtle warm edges */
.dark .border-slate-200,
.dark .border-slate-100 {
    border-color: #1e2740 !important;
}

.dark .border-slate-300 {
    border-color: #2a3550 !important;
}

/* Navbar dark treatment */
.dark nav.bg-white\/80,
.dark nav[class*="bg-white"] {
    background-color: rgba(12, 17, 27, 0.88) !important;
    border-bottom-color: #1e2740 !important;
}

.dark .backdrop-blur-md {
    backdrop-filter: blur(14px) !important;
}

/* Dropdown panels */
.dark [class*="bg-white/90"] {
    background-color: rgba(21, 28, 44, 0.96) !important;
}

.dark .hover\:bg-slate-50:hover,
.dark .hover\:bg-slate-100:hover {
    background-color: #1a2236 !important;
}

/* Input fields */
.dark input,
.dark textarea,
.dark select {
    background-color: #111827 !important;
    border-color: #2a3550 !important;
    color: #d1d5db !important;
}

.dark input::placeholder,
.dark textarea::placeholder {
    color: #4b5563 !important;
}

.dark input:focus,
.dark textarea:focus,
.dark select:focus {
    border-color: #0a9aad !important;
    box-shadow: 0 0 0 2px rgba(10, 154, 173, 0.15) !important;
}

/* Disabled inputs */
.dark input:disabled,
.dark input.cursor-not-allowed {
    background-color: #0e1525 !important;
    color: #4b5563 !important;
}

/* Sidebar overrides */
.dark .bg-slate-900 {
    background-color: #090e18 !important;
}

/* Shadow overrides — deeper for dark surfaces */
.dark .shadow-sm,
.dark .shadow-md,
.dark .shadow-lg,
.dark .shadow-xl,
.dark .shadow-2xl {
    --tw-shadow-color: rgba(0, 0, 0, 0.4) !important;
}

.dark .hover-card:hover {
    box-shadow: 0 20px 30px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2) !important;
}

/* Skeleton loading dark */
.dark .skeleton {
    background: linear-gradient(90deg, #1a2236 25%, #2a3550 50%, #1a2236 75%) !important;
    background-size: 200% 100%;
}

/* Scrollbar dark */
.dark ::-webkit-scrollbar-track {
    background: #0e1525;
}
.dark ::-webkit-scrollbar-thumb {
    background: #2a3550;
}
.dark ::-webkit-scrollbar-thumb:hover {
    background: #3b4a65;
}

/* Badge / pill background overrides — richer tints */
.dark .bg-indigo-50 { background-color: rgba(10, 154, 173, 0.12) !important; }
.dark .bg-emerald-50 { background-color: rgba(16, 185, 129, 0.10) !important; }
.dark .bg-amber-50 { background-color: rgba(245, 158, 11, 0.10) !important; }
.dark .bg-rose-50 { background-color: rgba(225, 29, 72, 0.10) !important; }
.dark .bg-red-50 { background-color: rgba(225, 29, 72, 0.10) !important; }

.dark .border-emerald-200 { border-color: rgba(16, 185, 129, 0.20) !important; }
.dark .border-indigo-200 { border-color: rgba(10, 154, 173, 0.20) !important; }

/* Hero & accent sections — slightly adjusted for dark contrast */
.dark .bg-indigo-600 { background-color: #005d6d !important; }
.dark .bg-indigo-100 { background-color: rgba(10, 154, 173, 0.15) !important; }

/* Theme toggle button active state */
.dark .theme-option.active {
    background-color: #1a2236;
    color: #e5e7eb;
}

/* Smooth color transitions for theme switching */
body,
nav,
.bg-white,
input,
textarea,
select {
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
